BL1530MSOP

@@ -0,0 +1,50 @@+# BL1530MSOP++**BL Shanghai Belling** · Analog Switches, Multiplexers · MSOP-10L++BL1530MSOP from BL Shanghai Belling, in a MSOP-10L. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | Sel | input | Switch select input (TTL/CMOS compatible). With OEb=0, Sel=0 routes Dp/Dn to Dp1/Dn1; Sel=1 routes Dp/Dn to Dp2/Dn2. VIH ≥ 1.6V, VIL ≤ 0.5V at VCC=3.0-3.6V. |+| 2 | Dp1 | bidirectional | USB D+ data port 1 (analog switch throw for the positive USB signal to endpoint 1). Bidirectional; connected to Dp when OEb=0 and Sel=0. |+| 3 | Dp2 | bidirectional | USB D+ data port 2 (analog switch throw for the positive USB signal to endpoint 2). Bidirectional; connected to Dp when OEb=0 and Sel=1. |+| 4 | Dp | bidirectional | USB D+ common data bus pole. Routed to Dp1 or Dp2 based on Sel when OEb=0; disconnected when OEb=1. |+| 5 | GND | power_in | Ground reference for the device. |+| 6 | Dn | bidirectional | USB D− common data bus pole. Routed to Dn1 or Dn2 based on Sel when OEb=0; disconnected when OEb=1. |+| 7 | Dn2 | bidirectional | USB D− data port 2 (analog switch throw for the negative USB signal to endpoint 2). Bidirectional; connected to Dn when OEb=0 and Sel=1. |+| 8 | Dn1 | bidirectional | USB D− data port 1 (analog switch throw for the negative USB signal to endpoint 1). Bidirectional; connected to Dn when OEb=0 and Sel=0. |+| 9 | OEb | input | Active-low output enable. OEb=1 disconnects both switches (Disconnect); OEb=0 enables the switch selected by Sel. TTL/CMOS compatible: VIH ≥ 1.6V, VIL ≤ 0.5V. |+| 10 | VCC | power_in | Positive supply, 2.3V to 5V operating range (absolute max 5.5V). Quiescent supply current ≤ 1uA at VCC=3V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | BL Shanghai Belling |+| Package | MSOP-10L |+| Category | Interface |+| Pins | 10 |++## Ordering variants++- `BL1530MSOP`+- `BL1530MSOPBL1530TQFN`++## CAD (KiCad official)++- Symbol: `BL1530MSOP`+- Footprint: `Package_SO:MSOP-10_3x3mm_P0.5mm`+- 3D model: MSOP-10L (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [BL Shanghai Belling datasheet](docs/bl1530msop-datasheet.pdf) (12 pp, sha256 `3cae974f954992ac`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/bl1530msop-datasheet.pdf)

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